CN113560998A - Special grinding machine for low-temperature ball valve - Google Patents

Special grinding machine for low-temperature ball valve Download PDF

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Publication number
CN113560998A
CN113560998A CN202110876899.3A CN202110876899A CN113560998A CN 113560998 A CN113560998 A CN 113560998A CN 202110876899 A CN202110876899 A CN 202110876899A CN 113560998 A CN113560998 A CN 113560998A
Authority
CN
China
Prior art keywords
grinding
groove
extrusion
piece
ball valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110876899.3A
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Chinese (zh)
Inventor
郑海云
李德满
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Qilong Valve Co ltd
Original Assignee
Zhejiang Qilong Valve Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Qilong Valve Co ltd filed Critical Zhejiang Qilong Valve Co ltd
Priority to CN202110876899.3A priority Critical patent/CN113560998A/en
Publication of CN113560998A publication Critical patent/CN113560998A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

The invention discloses a special grinding machine for a low-temperature ball valve, which comprises a rack, wherein a power assembly is arranged on the rack, a grinding piece is detachably connected onto the power assembly, a plurality of grinding grooves are formed in the grinding piece, the grinding grooves are uniformly arranged around the center of the grinding piece, grinding materials are fixed in the grinding grooves, a plurality of extrusion assemblies are arranged on the grinding piece, the extrusion assemblies correspond to the grinding grooves one by one, when the grinding piece is positioned in a valve body, the power assembly drives the grinding piece to rotate, and the extrusion assemblies extrude the grinding materials to be attached to the inner wall of the valve. The invention has the following advantages and effects: the rough surface of the valve can be finely processed again, and meanwhile, the roundness of the valve can be corrected.

Description

Special grinding machine for low-temperature ball valve
Technical Field
The invention relates to the field of valve body processing, in particular to a special grinding machine for a low-temperature ball valve.
Background
Since the advent of ball valves, with the rapid development of science and technology, the continuous improvement of production processes and product structures, in short decades, has rapidly developed into a main valve class, which plays a significant role in national economy, and the pipeline is mainly used for cutting, distributing and changing the flow direction of a medium, and can be closed tightly only by a small rotating torque.
At present, the domestic market has high requirements on sealing of the ball valve under the condition of ultralow temperature, the ultralow-temperature ball valve on the market is manufactured and processed, the whole roundness of the processed surface of the ultralow-temperature ball valve is insufficient, the processed surface is rough, the processed surface is ground manually or by roll pressing in the prior art, however, the modes only improve the smoothness, namely, the ultralow-temperature ball valve is only smooth, the roughness of the processed surface is not substantially finished, and at present, a good solution is not provided at home.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a special grinding machine for a low-temperature ball valve, which can be used for finishing a machined surface.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special machine is ground to low temperature ball valve which characterized by: the grinding machine comprises a frame, be equipped with power component in the frame, power component is last to dismantle to be connected with and to grind the piece, grind the piece and seted up a plurality of grinding grooves, grind the groove and evenly set up around grinding a center, it is fixed with abrasive material to grind the inslot, be equipped with a plurality of extrusion subassemblies on grinding the piece, extrusion subassembly and grinding groove one-to-one work as when grinding the piece and being located the valve body, power component drives its rotation, the machined surface is hugged closely to extrusion subassembly extrusion abrasive material.
By adopting the above technical scheme, utilize the rotation of grinding piece, make the abrasive material on the grinding piece can rub the machined surface of valve, because the rotation of grinding piece can make the roughness between valve and disk seat improve, roughness on the machined surface reduces, the full circle degree improves, because the improvement of roughness, make the laminating more inseparable between disk seat and the valve body, the sealed clearance at both normal atmospheric temperatures has been reduced, it receives the influence of expend with heat and contract with cold to reduce the ball valve under the condition of ultra-low temperature, make valve and disk seat still have powerful sealing performance under the condition of ultra-low temperature, grinding piece detachable connection is on power component simultaneously, can put grinding piece into valve inside earlier in the installation, then fix grinding piece on power component, can make grinding piece adapt to more not unidimensional valves, increase the scope of use.
The invention is further configured to: the grinding part comprises a grinding body and a grinding ring, a protruding part protrudes from one side of the grinding body and forms an inner groove and an outer groove with the grinding body, the grinding ring is fixed on the outer groove, a plurality of first bolts for fixing the grinding ring are arranged on the grinding body, the grinding ring is arranged on the outer groove, and the extrusion assembly is arranged on the protruding part.
Through adopting above-mentioned technical scheme, grind body and grinding ring components of a whole that can function independently setting, if the condition such as damage appears when using, can only dismantle one of them repair can, a plurality of first bolt even distribution can be more stable on grinding the body simultaneously will grind the ring fixed, and bulge and grinding ring mutually support simultaneously, have increased the stability of being connected between the two.
The invention is further configured to: the extrusion assembly is arranged in the extrusion groove and comprises an extrusion block and a fixed block, the extrusion block slides in the grinding groove, one end of the extrusion block extends into the extrusion groove, the fixed block is fixed in the extrusion groove, and a spring for connecting the extrusion block and the fixed block is arranged in the extrusion groove.
Through adopting above-mentioned technical scheme, extrusion groove intercommunication inside groove and water jacket for the fixed block can be installed or dismantle from inside groove one side, and can be more convenient, the one end of extrusion piece is located grinding inslot portion simultaneously, and one end is connected through the spring and fixed block and can be when grinding, utilizes the effect of spring to continuously promote abrasive material to hug closely on the machined surface.
The invention is further configured to: the grinding ring is provided with a first positioning groove communicated with the grinding groove, the grinding body is provided with a second positioning groove positioned between two adjacent first bolts, and when the grinding ring is fixed on the grinding body by the first bolts, the first positioning groove is communicated with the second positioning groove.
Through adopting above-mentioned technical scheme, when grinding body and grinding ring reciprocal anchorage, two constant head tank reciprocal anchorages put into grinding groove with abrasive material inside, then from putting into mounting such as bolt in the constant head tank, fixed abrasive material for abrasive material can not receive extrusion components's effect and support tight valve body inside when the installation, the condition of installation difficulty appears.
The invention is further configured to: the abrasive material includes oilstone.
The invention is further configured to: the grinding body is provided with a fixing groove communicated with the inner groove, a fixing rod is fixed in the fixing groove, and the fixing rod is detachably connected with the power assembly.
Through adopting above-mentioned technical scheme, the grinding piece is connected to the dead lever for detachable connection between grinding piece and the power component two.
The invention is further configured to: the power component comprises a first rotating wheel, a second rotating wheel and a rotating rod, a first motor for driving the first rotating wheel to rotate is arranged on the first rotating wheel, a rotating belt for driving the second rotating wheel to rotate is arranged on the first rotating wheel, the first rotating wheel is connected with one end of the rotating rod and coaxially rotates with the rotating wheel, the other end of the rotating rod can be detachably connected with a grinding part, a second motor is further arranged on the rack, and the second motor drives the grinding part to lift.
Through adopting above-mentioned technical scheme, utilize first motor to drive the dwang and rotate for grind the piece and can rotate and grind, and the second motor can make to grind the piece and go up and down, makes the scope increase of processing, and simple structure is convenient for production and processing and use simultaneously.
The invention is further configured to: the frame still includes the bottom surface, be provided with the clamping device of fixed valve door on the bottom surface, clamping device is including the base that slides, it is provided with the clamping jaw to slide on the base to slide, be provided with the mounting of fixed clamping jaw on the clamping jaw.
Through adopting above-mentioned technical scheme, utilize a plurality of clamping jaws to fix the valve, can carry out steady grinding valve body for the device reprocessing effect is better.
The invention is further configured to: and the rack is also provided with a third motor for driving the power assembly to move or reset towards the direction of the clamping device.
Through adopting above-mentioned technical scheme for power component can the oscilaltion, can process more not unidimensional valves.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a partial exploded view of an embodiment of the present invention;
FIG. 3 is a perspective view of an abrasive article according to an embodiment of the present invention;
FIG. 4 is a central cross-sectional view of an abrasive article according to an embodiment of the present invention;
FIG. 5 is a perspective view of a polishing article according to a second embodiment of the present invention.
In the figure: 1. a frame; 2. a power assembly; 21. a first runner; 22. a second runner; 23. rotating the rod; 24. a first motor; 25. a second motor; 26. a third motor; 3. a grinding member; 31. a grinding groove; 32. grinding the material; 33. an extrusion assembly; 331. extruding the block; 332. a fixed block; 333. a spring; 34. grinding the body; 341. fixing grooves; 342. fixing the rod; 35. a grinding ring; 351. a first positioning groove; 352. a second positioning groove; 36. a projection; 37. an inner tank; 38. an outer tank; 39. a first bolt; 4. a clamping device; 41. a sliding base; 42. a clamping jaw; 43. and a fixing member.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Embodiments of the present invention are further described with reference to fig. 1 to 4.
Example one
The utility model provides a special machine is ground to low temperature ball valve, which comprises a frame 1, be equipped with power component 2 in the frame 1, power component 2 is last to dismantle and be connected with and grind piece 3, grind piece 3 and seted up a plurality of grinding groove 31, grind groove 31 around grinding 3 center evenly setting, it has abrasive material 32 to grind the inslot 31 internal fixation, it is equipped with a plurality of extrusion subassemblies 33 on 3 to grind, extrusion subassembly 33 and grinding groove 31 one-to-one, when grinding 3 when being located the valve body, power component 2 drives its rotation, extrusion subassembly 33 extrusion abrasive material 32 hugs closely the valve inner wall.
The grinding member 3 comprises a grinding body 34 and a grinding ring 35, a protruding part 36 protrudes from one side of the grinding body 34, the protruding part 36 and the grinding body 34 form an inner groove 37 and an outer groove 38, the grinding ring 35 is fixed in the outer groove 38, a plurality of first bolts 39 for fixing the grinding ring 35 are arranged on the grinding body 34, the grinding ring 35 is arranged in the outer groove 38, and the extrusion assembly 33 is arranged in the protruding part 36.
Utilize the rotation of grinding piece 3, make the machined surface that the abrasive material 32 on the grinding piece 3 can rub the valve, make the roughness on the machined surface reduce, because the rotation of grinding piece 3 can make the whole circularity of valve improve, grind piece 3 simultaneously and can dismantle to connect on power component 2, can put into the valve with grinding piece 3 earlier when the installation inside, then will grind piece 3 and fix on power component 2, can make grinding piece 3 adapt to more not unidimensional valves, increase the scope of using. Grind body 34 and grinding ring 35 components of a whole that can function independently setting, if the condition such as damage appears when using, can only dismantle one of them repair can, a plurality of first bolts 39 even distribution can be more stable fix grinding ring 35 on grinding body 34 simultaneously, and bulge 36 and grinding ring 35 mutually support simultaneously, have increased the stability of being connected between the two. The extrusion groove is communicated with the inner groove 37 and the outer groove 38, so that the fixing block 332 can be mounted or dismounted from one side of the inner groove 37, the use is more convenient, meanwhile, one end of the extrusion block 331 is positioned inside the grinding groove 31, and the other end of the extrusion block is connected with the fixing block 332 through the spring 333, so that the grinding material 32 can be continuously pushed to be tightly attached to a processing surface under the action of the spring 333 during grinding. When the grinding body 34 and the grinding ring 35 are fixed to each other, the two positioning grooves are fixed to each other, the grinding material 32 is put into the grinding groove 31, and then the positioning member is put into the positioning groove, so that the direction of the grinding material 32 is controlled so that the grinding material 32 does not incline when rotating. Utilize first motor 24 to drive dwang 23 and rotate for grind 3 and can rotate and grind, and second motor 25 can make to grind 3 and go up and down, makes the scope increase of processing, and simple structure is convenient for production and processing and use simultaneously.
The power assembly 2 employs the principles of bench drill movement and will not be described in detail herein.
The protruding portion 36 is provided with an extrusion groove for communicating the inner groove 37 with the outer groove 38, the extrusion assembly 33 is arranged in the extrusion groove, the extrusion assembly 33 comprises an extrusion block 331 and a fixed block 332, the extrusion block 331 slides in the grinding groove 31, one end of the extrusion block extends into the extrusion groove, the fixed block 332 is fixed in the extrusion groove, and a spring 333 for connecting the extrusion block 331 and the fixed block 332 is arranged in the extrusion groove.
The grinding ring 35 is provided with a first positioning groove 351 communicating with the grinding groove 31, the grinding body 34 is provided with a second positioning groove 352 between two adjacent first bolts 39, and when the grinding ring 35 is fixed on the grinding body 34 by the first bolts 39, the first positioning groove 351 is communicated with the second positioning groove 352.
The abrasive material 32 includes oilstone. During grinding, the machine frame 1 is connected with an oil outlet pipe, the outlet of the oil outlet pipe is positioned at the grinding piece 3, and lubricating oil is provided for the grinding material 32 so as to prevent the grinding material 32 and the valve from being damaged due to dry friction.
The polishing body 34 is provided with a fixing groove 341 communicating with the inner groove 37, a fixing rod 342 is fixed in the fixing groove 341, and the fixing rod 342 is detachably connected with the power assembly 2.
The power assembly 2 comprises a first rotating wheel 21, a second rotating wheel 22 and a rotating rod 23, a first motor 24 for driving the first rotating wheel 21 to rotate is arranged on the first rotating wheel 21, a rotating belt for driving the second rotating wheel 22 to rotate is arranged on the first rotating wheel 21, one end of the rotating rod 23 is connected with the first rotating wheel 21 and coaxially rotates with the first rotating wheel, the other end of the rotating rod 23 is detachably connected with the grinding part 3, a second motor 25 is further arranged on the rack 1, and the second motor 25 drives the grinding part 3 to ascend and descend.
The rack 1 further comprises a bottom surface, a clamping device 4 for fixing the valve is arranged on the bottom surface, the clamping device 4 comprises a sliding base 41, a clamping jaw 42 is arranged on the sliding base 41 in a sliding mode, and a fixing piece 43 for fixing the clamping jaw 42 is arranged on the clamping jaw 42.
The frame 1 is further provided with a third motor 26 for driving the power assembly 2 to move or reset towards the clamping device 4.
Example two
An embodiment of the present invention is further explained with reference to fig. 5.
The difference point of this embodiment and embodiment one lies in the direction of the abrasive material of the interior installation of grinding the groove of a grinding, changes the direction of grinding the groove inwards, can carry out the finish machining to the disk seat, grind a processing to the valve body in the cooperation embodiment one for inseparabler laminating between disk seat and the valve body has reduced the sealing clearance at both ordinary temperatures, reduces the ball valve and receives expend with heat and contract with cold's influence under the condition of ultra-low temperature, makes valve and disk seat still have powerful sealing performance under the condition of ultra-low temperature.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (9)

1. The utility model provides a special machine is ground to low temperature ball valve which characterized by: including frame (1), be equipped with power component (2) on frame (1), power component (2) are gone up to dismantle and are connected with and grind piece (3), grind piece (3) and seted up a plurality of grinding groove (31), grinding groove (31) are around grinding piece (3) center evenly setting, grinding groove (31) internal fixation has abrasive material (32), be equipped with a plurality of extrusion subassembly (33) on grinding piece (3), extrusion subassembly (33) and grinding groove (31) one-to-one work as when grinding piece (3) are located the valve body, power component (2) drive its rotation, the machined surface is hugged closely in extrusion subassembly (33) extrusion abrasive material (32).
2. The special grinding machine for the low-temperature ball valve as claimed in claim 1, wherein: the grinding piece (3) comprises a grinding body (34) and a grinding ring (35), a protruding portion (36) protrudes from one side of the grinding body (34), an inner groove (37) and an outer groove (38) are formed by the protruding portion (36) and the grinding body (34), the grinding ring (35) is fixed on the outer groove (38), a plurality of first bolts (39) for fixing the grinding ring (35) are arranged on the grinding body (34), the grinding ring (35) is arranged on the outer groove (38), and the extruding assembly (33) is arranged on the protruding portion (36).
3. The special grinding machine for the low-temperature ball valve as claimed in claim 2, wherein: the extrusion groove that is provided with intercommunication inside groove (37) and outer groove (38) on bulge (36), extrusion subassembly (33) set up in the extrusion groove, extrusion subassembly (33) are including extrusion piece (331) and fixed block (332), extrusion piece (331) slide in grinding groove (31) and one end extend to the extrusion inslot, fixed block (332) are fixed in the extrusion inslot, the super spring (333) of connecting extrusion piece (331) and fixed block (332) that is provided with of extrusion.
4. The special grinding machine for the low-temperature ball valve as claimed in claim 3, wherein: the grinding ring (35) is provided with a first positioning groove (351) communicated with the grinding groove (31), the grinding body (34) is provided with a second positioning groove (352) positioned between two adjacent first bolts (39), and when the grinding ring (35) is fixed on the grinding body (34) through the first bolts (39), the first positioning groove (351) is communicated with the second positioning groove (352).
5. The special grinding machine for the low-temperature ball valve as claimed in claim 1, wherein: the abrasive material (32) includes oilstone.
6. The special grinding machine for the low-temperature ball valve as claimed in claim 2, wherein: the grinding body (34) is provided with a fixing groove (341) communicated with the inner groove (37), a fixing rod (342) is fixed in the fixing groove (341), and the fixing rod (342) is detachably connected with the power assembly (2).
7. The special grinding machine for the low-temperature ball valve as claimed in claim 1, wherein: power component (2) include first runner (21), second runner (22) and dwang (23), be provided with first runner (21) pivoted first motor (24) of drive on first runner (21), be equipped with on first runner (21) and drive second runner (22) pivoted rotation area, first runner (21) and coaxial rotation with it are connected to the one end of dwang (23), and the other end can be dismantled and connect grinding piece (3), still be provided with second motor (25) on frame (1), second motor (25) drive grinding piece (3) go up and down.
8. The special grinding machine for the low-temperature ball valve as claimed in claim 7, wherein: frame (1) still includes the bottom surface, be provided with clamping device (4) of fixed valve door on the bottom surface, clamping device (4) are including base (41) that slides, it is provided with clamping jaw (42) to slide on base (41) that slides, be provided with mounting (43) of fixed clamping jaw (42) on clamping jaw (42).
9. The special grinding machine for the low-temperature ball valve as claimed in claim 8, wherein: frame (1) on still be provided with lifter (5) and third motor (26), the third motor drives power component (2) and slides in lifter (5) towards clamping device (4) direction.
CN202110876899.3A 2021-07-31 2021-07-31 Special grinding machine for low-temperature ball valve Pending CN113560998A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110876899.3A CN113560998A (en) 2021-07-31 2021-07-31 Special grinding machine for low-temperature ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110876899.3A CN113560998A (en) 2021-07-31 2021-07-31 Special grinding machine for low-temperature ball valve

Publications (1)

Publication Number Publication Date
CN113560998A true CN113560998A (en) 2021-10-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110876899.3A Pending CN113560998A (en) 2021-07-31 2021-07-31 Special grinding machine for low-temperature ball valve

Country Status (1)

Country Link
CN (1) CN113560998A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0966446A (en) * 1995-08-30 1997-03-11 Naoi Seiki Kk Work clamping mechanism for grinding machine
CN105881152A (en) * 2016-05-17 2016-08-24 常州市金呈宇五金有限公司 Machining and polishing device for die
CN208854345U (en) * 2018-08-06 2019-05-14 凯艾斯阀门(杭州)有限公司 Grinding device is used in a kind of processing of ball valve
CN208880403U (en) * 2018-09-19 2019-05-21 大连海顺重工环保设备有限公司 A kind of mold inside groove processing grinding device
CN209615077U (en) * 2019-03-20 2019-11-12 徐州恒昌筛网制造有限公司 A kind of adjustable grinding device of cartridge type sieve
CN110774142A (en) * 2019-11-06 2020-02-11 冯运忠 Polishing equipment for polishing inner wall of bearing outer ring
CN210452236U (en) * 2019-09-09 2020-05-05 河北四伟化学工业有限公司 Dust and rust removing device for inner wall of large-diameter steel pipe
CN111515824A (en) * 2020-04-29 2020-08-11 郭亚亚 Manufacturing and processing technology of metal corrugated pipe
CN211361640U (en) * 2019-12-16 2020-08-28 沧州利达新能源科技有限公司 Tire burst prevention steel belt polishing device
CN111604736A (en) * 2020-06-10 2020-09-01 汪运峰 Rust-resistant grinding device of pipe inner wall based on machining
CN111975625A (en) * 2020-08-27 2020-11-24 萧思丽 Refined inner ring and outer ring polishing system for metal piston ring
CN212122757U (en) * 2020-03-13 2020-12-11 江苏铸鸿锻造有限公司 Pneumatic grinding device for finishing inner wall of ingot mold
CN212496832U (en) * 2020-09-17 2021-02-09 山东恒力源精密机械制造有限公司 Piston ring grinding device
CN112355774A (en) * 2020-11-17 2021-02-12 仙居云利电子科技有限公司 Flexible stable form pipeline inner wall welding slag processing apparatus

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0966446A (en) * 1995-08-30 1997-03-11 Naoi Seiki Kk Work clamping mechanism for grinding machine
CN105881152A (en) * 2016-05-17 2016-08-24 常州市金呈宇五金有限公司 Machining and polishing device for die
CN208854345U (en) * 2018-08-06 2019-05-14 凯艾斯阀门(杭州)有限公司 Grinding device is used in a kind of processing of ball valve
CN208880403U (en) * 2018-09-19 2019-05-21 大连海顺重工环保设备有限公司 A kind of mold inside groove processing grinding device
CN209615077U (en) * 2019-03-20 2019-11-12 徐州恒昌筛网制造有限公司 A kind of adjustable grinding device of cartridge type sieve
CN210452236U (en) * 2019-09-09 2020-05-05 河北四伟化学工业有限公司 Dust and rust removing device for inner wall of large-diameter steel pipe
CN110774142A (en) * 2019-11-06 2020-02-11 冯运忠 Polishing equipment for polishing inner wall of bearing outer ring
CN211361640U (en) * 2019-12-16 2020-08-28 沧州利达新能源科技有限公司 Tire burst prevention steel belt polishing device
CN212122757U (en) * 2020-03-13 2020-12-11 江苏铸鸿锻造有限公司 Pneumatic grinding device for finishing inner wall of ingot mold
CN111515824A (en) * 2020-04-29 2020-08-11 郭亚亚 Manufacturing and processing technology of metal corrugated pipe
CN111604736A (en) * 2020-06-10 2020-09-01 汪运峰 Rust-resistant grinding device of pipe inner wall based on machining
CN111975625A (en) * 2020-08-27 2020-11-24 萧思丽 Refined inner ring and outer ring polishing system for metal piston ring
CN212496832U (en) * 2020-09-17 2021-02-09 山东恒力源精密机械制造有限公司 Piston ring grinding device
CN112355774A (en) * 2020-11-17 2021-02-12 仙居云利电子科技有限公司 Flexible stable form pipeline inner wall welding slag processing apparatus

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Application publication date: 20211029